1. Department of Pathology, Beijing Hospital National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences Beijing China
2. Department of Pathology, Shanghai Pulmonary Hospital, School of Medicine Tongji University Shanghai China
3. Department of Pathology Air Force Medical Center of PLA Beijing China
4. Department of Radiology, Beijing Hospital National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences Beijing China
5. Department of Pathology the Second Affiliated Hospital of Harbin Medical University Harbin China
6. Berry Oncology Corporation Fuzhou China